Window for cooking range oven doors



Mgrch 23, 1948.

M. F. COTES wmnow Fon cooxme RANGE ovsu moons Filed Nov. 8, 1944 2 Sheets-Sheet 1 5 mm a: WE Q m V R E M 2 ull-IIII l-Illll 2 cm 2 mm m. J U H L L X g L f mzx ATTORNEY March 23, 1948. M. F. COTES WINDOW FOR COOKING RANGE OVEN DOORS 2 Sheets-Sheet 2 Filed Nov. 8, 1944 I I I 7/ I 1 I /1 I '1 INVENTOR.

MERVIN E COTES' ATTORNEY Patented Mar. 23, 1948 WINDOW FOR COOKING RANGE OVEN DOORS Mervin F. Cotes,East Lansing, Mich assignor to Motor Wheel Corporation, Lansing, Mich., a corporation of Michigan Application November 8, 1944, Serial No. 562,424

locating the inspection opening adjacent theiunction of a side wall with the-top wall and inclining the portion of the wall in which the opening is provided, substantially the entire interior of the oven can be inspected from a. single point of view through a relatively small opening. Moreover, by such location of the inspection opening, it is possible for a user of the oven to inspect the interior thereof from an erect position. In other words, the present invention not only eliminates the necessity for opening the oven door to inspect the contents of the .oven, but also obviates the necessity to bend orstoop when inspecting the ovens contents.

From the foregoing it will be understood that the present invention may take many diiferent specific forms. A range illustrating several advantageous forms of the invention is shown in the accompanying drawings, wherein:

Figure 1 is a front elevatlonal view of a range embodying the present invention;

Figure 2 is an end view, partly in section and partly in elevation, of the range shown in Figure 1, taken on substantially the line 2-2 thereof;

Figure 3 is an enlarged fragmentary sectional view taken on substantially the line 3-3 of Figure 1;

Figure 4 is a sectional view similar to Figure 3 but showing an alternative construction; and

Figure 5 is a sectional view similar to Figure 3, but showing another alternative form.

The range shown in Figures 1 and 2 includes a top wall ll having a splash panel l2 at the rear thereof, a rear wall l3, end walls l4 and I5, and a front wall H5. The top wall may be provided with conventional surface burners, not shown. The front wall I6 is composed largely of a control panel I! and four doors l8, I9, 20 and.

Doors l8, I9 and 2i aflord access to broiler and 2Claims. Ci;126-200) storage compartments, not shown. Door 20 affords access to an oven compartment 24.

From an examination of Figure 2, it will be observed that oven 24 is formed by the top Wall I, the portion of the front l6 comprising the door 20, the end wall l4, the rear wall [3 and an interior side wall 25 and an interior bottom wall 28. That is. the oven compartment is formed by a plurality of vertical and horizontal walls.

The exterior'walls, at least, are insulated with insulating material 21 (see Figures 2, 3, .4 and 5). Oven 24 is adapted to be heated by conventional heating elements and to be provided with conventional shelves, neither 01 which form any part of the present invention and are, there-* fore, not shown.

As previously stated, the novelty of the present invention relsdes in the provision of an opening or window through which the interior of the oven compartment 24 may be inspected more conveniently than heretofore. According to the embodiment oi the invention shown in the accompanying drawing, the inspection opening is provided in the door 20, the details of which will now be described.

The door 20 is composed of spaced inner and outer metal panels 28 and 29, with insulation 2'! therebetween. The panels are-substantially uhiformly spaced apart throughout the lower and major portions thereof. Near the upper extremities of the panels, a portion of the inner panel 28 is inclined outwardly toward the outer panel 29, as at 30, and the outer panel 29 is inclined rearwardly toward the inner panel 28 as at 3| (see Figure 3). In that part of the door 20 including the rearwardly inclined portion ill of outer panel 29 there is formed an inspection opening which is closed by a transparent ,plate of glass 32. The glass plate 32 may be secured in the inspection opening in any convenient manner, such as that shown in Figure 3, as an example. 7

From a consideration of the structure just described and by reference to Figures 2 and 3, it

will be understood that the inspection opening is so disposed in relation to the oven compartment 24 as to permit an inspection of substantially the entire interior of the compartment from a single point of view such as that had by a user of the range-when standing in an erect position. The advantages of such an arrangement will be obvious to' all those familiar with use of range ovens.

Slightly modified tormsof inspection openings and transparent closures therefor are shown in aeaasvo- Figures 4 and 5. As shown in Figure 4, two spaced apart transparent plates 33 and 34 are employed with the space therebetween hermetically sealed by the spacer 35. The arrangement shown in Figure 4 has all of the advantages oi, the construction shown in Figure 3, plus the additional advantage of minimizing the formation of condensation on the window plate due to the difierences in temperature between the interior and the exterior of the oven compartment 24.

Figure 5 illustrates a different way of employing double plates of transparent material as a closure for the inspection opening. As there shown, one plate 36 is disposed substantially the same as plate 32 in Figure 3 and the other plate 31 is arranged as a continuation of the inner panel 28b in the plane of the lower and major portion thereof. In this arrangement suitable provision should be made to remove the inner plate 31 so as to permit cleaning of both plates. II that be done, there is no need to seal the space between the two plates.

While only'illustrative forms of the invention have been shown and described herein, it will be understood that the invention is not limited I to these specific embodiments, but rather is co-- extensive with the scope of the appended claims.

I claim: 1. A cooking range including, in combination,

a top wall, means including a plurality o! sub-1o s'tantially vertical walls forming a compartment below said top wall, one of said vertical walls being provided with an access opening of substantially the full height and width of said compartment, .a door for closing said opening comprising spaced inner and outer panels, the lower portion of the outer panel being vertical and the upper portion of the outer panel being inclined upwardly and toward the inner panel adjacent thev upper extremity of the door, said door being provided with an inspection opening in the upper portion thereof including the inclined portion of the outer panel, said inner panel being inclined forwardly toward the outer panel below said in-, spection opening, and a transparent closure for said opening.

5 Number Number 4 2. A cooking range including, in combination, a top wall, means including a plurality of substantially vertical walls forming a compartment bel w S t p wall. one of said vertical walls being provided with an access opening of substantially the full height and width of said compartment, 9. door for closing said opening comprising spaced inner and outer panels, said inner and outer panels being substantially uniformly spaced fromeach other throughout the lower portion of the door, the outer panel being inclinedupwardly and'toward the inner panel adjacent the upper extremity of the door, the inner panel being inclined upwardly and toward the outer panel in a zone adjacent to and below the inclined portion of the outer panel, said door being provided with an inspection opening in the portion of the door including the inclined portion of the outer panel, and a transparent closure for said opening.

MEaVIN F. COTES.

REFERENCES CITED UNITED STATES PATENTS Name Date Cahoone Feb. 27, 1900 Keyser Aug. 18, 1868 Hamlin Sept. 3, 1878 Low' June 10, 1879 Huenefeld Sept. 24, 1912 Pierson Jan. 29, 1929 Johnson Apr. 14, 1931 Liptak Dec. 15, 1931 McKee et a1 Aug. 23, 1932 Friedrich Apr. 21, 1936 Kennedy Nov. 23, 1937 Spoerl May 10, 1938 Vincent May 5, 1942 Hennessy Aug. 3. 1943 FOREIGN PATENTS Country Date France July 8, 1935 

